So I know there are quite a few people on the boards who run. I have questions since Mr. Google has 934875239847 answers to them...I thought I'd ask you all!

Is there a right/wrong way to run? I've seen such differing opinions on heel striking/etc. I know I could re-train myself, I'm not a fantabulous runner or anything. I just want to prevent injury.

What do you do for cross training? I have a workout video arsenal but have only done them a couple of times, I really need to get back into that.

What's your breathing like? I can't breathe in through my nose very well so I'm a mouth breather. It always looks like I'm about to die thanks to that.

Any tips for this novice?